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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.js"></script>
</head>
<body>
    <script>
        // 在静态方法中this指类
        class Http{
            static baseUrl = "http://47.108.197.28:3000";
            static request(url){
                console.log(this.baseUrl);
                return new Promise((resolve,reject)=>{
                    $.ajax({
                        url:this.baseUrl+url,
                        success:res=>{
                            resolve(res)
                        },
                        error:err=>{
                            resolve(err)
                        }
                    })
                })
            }
        }
        Http.request("/top/playlist").then(res=>{
            console.log(res);
        })
    </script>
</body>
</html>